SIX: Python 2 and 3 Compatibility Library

最新推荐文章于 2025-06-13 12:07:55 发布
最新推荐文章于 2025-06-13 12:07:55 发布
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分类专栏： pthon 文章标签： python six
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本文链接：https://blog.youkuaiyun.com/volvet/article/details/79632494
SIX是一个解决Python 2和3不兼容问题的开源库，允许代码在Python 2和3环境下无缝运行。它通过隐藏常量、语法和类库的差异，如six.class_types、six.print_和six.moves，来实现兼容性。

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SIX 是一个开源的Python库， 其设计目的是为了解决Python2和3的不兼容问题. 众所周知， Python 3是跟Python 2不兼容的， 其语法， 类库都有不一致的地方， 这给python程序员带来了极大不便， 但是, SIX的出世可以解决这一问题， 使用了SIX, 你的python程序可以同时运行在Python2或者Python3环境中， 而根本不需要修改.
SIX， 这个名字的来源就是 2×

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root@zhang:~# dpkg --list | grep -i python ii libpython3-stdlib:amd64 3.12.3-0ubuntu2 amd64 interactive high-level object-oriented language (default python3 version) ii libpython3.12-minimal:amd64 3.12.3-1ubuntu0.4 amd64 Minimal subset of the Python language (version 3.12) ii libpython3.12-stdlib:amd64 3.12.3-1ubuntu0.4 amd64 Interactive high-level object-oriented language (standard library, version 3.12) ii libpython3.12t64:amd64 3.12.3-1ubuntu0.4 amd64 Shared Python runtime library (version 3.12) ii python-apt-common 2.7.7ubuntu4 all Python interface to libapt-pkg (locales) ii python-babel-localedata 2.10.3-3build1 all tools for internationalizing Python applications - locale data files ii python3 3.12.3-0ubuntu2 amd64 interactive high-level object-oriented language (default python3 version) ii python3-apport 2.28.1-0ubuntu3.3 all Python 3 library for Apport crash report handling ii python3-apt 2.7.7ubuntu4 amd64 Python 3 interface to libapt-pkg ii python3-aptdaemon 1.1.1+bzr982-0ubuntu44 all Python 3 module for the server and client of aptdaemon ii python3-aptdaemon.gtk3widgets 1.1.1+bzr982-0ubuntu44 all Python 3 GTK+ 3 widgets to run an aptdaemon client ii python3-attr 23.2.0-2 all Attributes without boilerplate (Python 3) ii python3-babel 2.10.3-3build1 all tools for internationalizing Python applications - Python 3.x ii python3-blinker 1.7.0-1 all Fast, simple object-to-object and broadcast signaling (Python3) ii python3-bpfcc 0.29.1+ds-1ubuntu7 all Python 3 wrappers for BPF Compiler Collection (BCC) ii python3-brlapi:amd64 6.6-4ubuntu5 amd64 Braille display access via BRLTTY - Python3 bindings ii python3-cairo 1.25.1-2build2 amd64 Python3 bindings for the Cairo vector graphics library ii python3-certifi 2023.11.17-1 all root certificates for validating SSL certs and verifying TLS hosts (python3) ii python3-cffi-backend:amd64 1.16.0-2build1 amd64 Foreign Function Interface for Python 3 calling C code - runtime ii python3-chardet 5.2.0+dfsg-1 all Universal Character Encoding Detector (Python3) ii python3-click 8.1.6-2 all Wrapper around optparse for command line utilities - Python 3.x ii python3-colorama 0.4.6-4 all Cross-platform colored terminal text in Python - Python 3.x ii python3-commandnotfound 23.04.0 all Python 3 bindings for command-not-found. ii python3-configobj 5.0.8-3 all simple but powerful config file reader and writer for Python 3 ii python3-cryptography 41.0.7-4ubuntu0.1 amd64 Python library exposing cryptographic recipes and primitives (Python 3) ii python3-cups:amd64 2.0.1-5build6 amd64 Python3 bindings for CUPS ii python3-cupshelpers 1.5.18-1ubuntu9 all Python utility modules around the CUPS printing system ii python3-dateutil 2.8.2-3ubuntu1 all powerful extensions to the standard Python 3 datetime module ii python3-dbus 1.3.2-5build3 amd64 simple interprocess messaging system (Python 3 interface) ii python3-debconf 1.5.86ubuntu1 all interact with debconf from Python 3 ii python3-debian 0.1.49ubuntu2 all Python 3 modules to work with Debian-related data formats ii python3-defer 1.0.6-2.1ubuntu1 all Small framework for asynchronous programming (Python 3) ii python3-distro 1.9.0-1 all Linux OS platform information API ii python3-distro-info 1.7build1 all information about distributions&#39; 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我们也可以使用自动删除来清理不再需要的依赖（注意：这个操作可能会删除一些其他包，所以建议先查看将被删除的包列表）：命令：`sudoaptautoremove`步骤3：如果之前使用update-alternatives设置了python的替代版本...
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lionzl的专栏
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python之six用法 22017.07.05 15:05:24字数 1365阅读 12462 前言 最近在写一个django的项目，在form的底层函数当中看见了six的使用，就来学习一下。也希望写的这些东西能够更好的帮助大家学习django的一些高级用法、理解django的一些源码。 通过写这篇文章，也是希望帮助本人了解python2和python3之间的一些差别，也希望这篇文章能够...
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